1674315720 has 864 divisors, whose sum is σ = 7643563200. Its totient is φ = 310210560.

The previous prime is 1674315719. The next prime is 1674315761. The reversal of 1674315720 is 275134761.

It is a happy number.

1674315720 is a `hidden beast` number, since 16 + 74 + 3 + 1 + 572 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 88121871 + ... + 88121889.

Almost surely, 2^1674315720 is an apocalyptic number.

1674315720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1674315720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3821781600).

1674315720 is an abundant number, since it is smaller than the sum of its proper divisors (5969247480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1674315720 is a wasteful number, since it uses less digits than its factorization.

1674315720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1674315720 is about 40918.4031946507. The cubic root of 1674315720 is about 1187.4421248987.

The spelling of 1674315720 in words is "one billion, six hundred seventy-four million, three hundred fifteen thousand, seven hundred twenty".